refactor(UI): 移除隐藏UI组的默认初始化

此更改移除了对UIGroupConstants.Hidden组的自动创建，因为该组不再需要或未被使用。这简化了UI组初始化列表，避免了不必要的资源分配。

Author: AlianBlank

Runtime/UIComponent.cs

@@ -97,7 +97,6 @@ public partial class UIComponent : GameFrameworkComponent
             new UIGroup(UIGroupConstants.Battle.Depth, UIGroupConstants.Battle.Name),
             new UIGroup(UIGroupConstants.Hud.Depth, UIGroupConstants.Hud.Name),
             new UIGroup(UIGroupConstants.Map.Depth, UIGroupConstants.Map.Name),
-            new UIGroup(UIGroupConstants.Hidden.Depth, UIGroupConstants.Hidden.Name),
             new UIGroup(UIGroupConstants.Floor.Depth, UIGroupConstants.Floor.Name),
             new UIGroup(UIGroupConstants.Normal.Depth, UIGroupConstants.Normal.Name),
             new UIGroup(UIGroupConstants.Fixed.Depth, UIGroupConstants.Fixed.Name),